Profiled metal sheet roofing
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When walking on a trapezoidal profile roof, often the person will step on the crown of each profile rather than the trough. A person weighing 90kg will exert a force on the crown of somewhere in the region of 1.3kN over a length of about 100mm. This force is somewhat...Explore the subscription options here to get full access to isurv, including downloads.
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